Problem raith SNF 2004-08-10 21:26:15: beam distorsion

gigi at snf.stanford.edu gigi at snf.stanford.edu
Tue Aug 10 21:26:15 PDT 2004


spot looks good at high mag, but at low mag (<1000) the spot is deformed and becomes 30x100nm. 
I noticed it becomes worse and worse starting at ~5000 and going down to 600. Since I'm using 600X, I decided not to write.
Everything else seems fine.




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